Chapter 10.1. ORM Basics
An ORM is a software layer that maps data stored in a relational database to an object model in some object-oriented programming language.
You probably already know about relational databases. They are powerful tools to store data and to help ensure the integrity of that data. The theory behind relational databases was first explored by E. F. Codd in 1970, and in the years since then, various products that implement relational theory have grown up to become the dominant solution for storing and retrieving persistent data.
Relational databases can be accessed using the Structured Query Language (SQL), and every popular programming language has libraries that allow manipulating data in relational database management systems ...
Get Rapid Web Applications with TurboGears: Using Python to Create Ajax-Powered Sites now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
